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JEE Main & Advanced Chemistry Surface & Nuclear Chemistry / भूतल और नाभिकीय रसायन Question Bank Mock Test - Surface Chemistry

  • question_answer
    A sol has positively charged colloidal particles. Which of the following solutions is required in lowest concentration for coagulation?

    A) NaCl    

    B) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

    C) \[ZnC{{l}_{2}}\]           

    D) \[N{{a}_{2}}S{{O}_{4}}\]

    Correct Answer: B

    Solution :

    [b] Higher the coagulating power of ion due to higher valency so decreases the concentration for ion. \[Fe{{(CN)}_{6}}{{)}^{-4}}\] has lowest concentration for coagulation.


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